Conditionals Type 0, 1, 2, 3 in English

Conditionals Type 0, 1, 2, 3

Type 0 (General truth)

If + present, present. If you heat ice, it melts.

Type 1 (Real future)

If + present, will + verb. If you study, you will pass.

Type 2 (Unreal present)

If + past, would + verb. If I were rich, I would travel.

Type 3 (Unreal past)

If + past perfect, would have + past participle. If I had studied, I would have passed.

Exercise

Complete:

1. If I (be) you, I would apologize.
2. If you heat water to 100°C, it (boil).
3. If he had arrived on time, he (not/miss) the meeting.

See Comparative and Superlative and Wh-Questions.